Gaisio

Gaisio was King of the Scordisci from 40s BC to 20s BC.

Biography
Gaisio was born to the Celtic Scordisci tribe of Pannonia, and he became their king prior to the 40s BC. Gaisio was an expansionist ruler, and, in 27 BC, he declared war on the Odrysian Kingdom, a client of the Roman Empire, planning to add parts of Thrace to his kingdom. However, the Thracians called in Roman support, leading to the Romans invading and conquering Pannonia and the Scordisci.